NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
9:55 PM Monday February 20
W2 OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF THE HIGHEST 1/10 OF THE WAVE SPECTRUM.W2 SYNOPSIS, A LOW PRESSURE SYSTEM WILL MOVE THROUGH NORTHERN ONTARIO TONIGHT.W2 THIS SYSTEM WILL DROP PRESSURE TO INCHES OVER THE GREAT LAKES BY TUESDAY AFTERNOON, WITH AN ASSOCIATED FRONT, AND WILL CONTINUE TO GRADUALLY DECREASE AS ANOTHER SURFACE LOW,, TRAVELS FROM THE CENTRAL PLAINS INTO THE NORTHERN GREAT LAKES WEDNESDAY INTO THURSDAY.W2 LCZ460-210915.W2 LAKE ST CLAIR.W2 rest of tonight, southeast winds 10 to 15 knots.W2 partly cloudy in the early morning, becoming mostly cloudy.W2 waves 2 feet or less.W2 tuesday, southeast winds 10 to 15 knots, becoming southwest 5 to 10 knots in the late morning and afternoon.W2 cloudy.W2 light showers likely in the late morning and afternoon.W2 waves 2 feet or less.W2 tuesday night, southwest winds 5 to 10 knots in the evening, becoming light and variable, then, becoming southwest 5 to 10 knots early in the morning.W2 partly cloudy.W2 a chance of light showers early in the evening.W2 waves 2 feet or less.W2 wednesday, southwest winds 5 to 10 knots.W2 partly sunny.W2 waves 2 feet or less.W2 wednesday night, south winds 5 to 10 knots, becoming southwest 10 to 15 knots in the late evening and early morning, then, diminishing to 5 to 10 knots early in the morning.W2 partly cloudy.W2 waves 2 feet or less.W2 thursday, southwest winds 5 to 10 knots, veering to the northwest in the afternoon, then, veering to the northeast in the evening.W2 partly sunny, then mostly cloudy with a chance of rain in the evening.W2 waves 2 feet or less.W2 friday, south winds 15 to 20 knots.W2 rain with thunderstorms likely.W2 waves 2 feet or less.W2 saturday, west winds 20 to 25 knots.W2 mostly cloudy with rain with thunderstorms likely.W2 waves 1 to 3 feet.W2 a small craft advisory may be needed.W2